In a country referred to as"Diamond Domain" lies the powerful Heart Diamond, that has functioned as the kingdom's source of energy and maintained that the Ore Country for centuries. Carbink reside in Diamond DomainName, for example their Lady - that the Jewel Pokémon, Diancie, that created the center Diamond. Diancie nolonger gets the power to control the Heart Diamond and her country is slipping into chaos as a result. Diancie Xerneas meets with Ash and his friends and asks them to move on a journey to find the life span Pokémon, so as to reestablish the Heart Diamond one evening. Standing in their way is Destruction, Yveltal's Pokémon, that stole the life all in the Kalos Region. Throughout their travel they're assaulted the gem thieves Marilyn Flame, as well as by Team Rocket and Ninja Riot. They are aided also her dad and by Millis Steel Argus, travelers that encounter the Cocoon of Destruction.